and the nsa whistle-blower edward snowden. we don't know who the the most fascinating person of 2013 is until she reveals it on the big broadcast. so you have to watch it. >> very cool. >>> a bittersweet announcement here. sam champion, the one and only, sam champion, is leaving "good morning america." we're happy for sam but also a little sad because we love sam. yeah, i know. his departure from "gma" coming relatively soon. he is going to the weather channel to report a morning show there that starts next year. abc news president ben sherwood called him a vital member of the team. they will celebrate his last show on wednesday. he will be replaced by ginger zee. who's, you know, terrific. we're in good hands with ginger zee. that's good news. sam will move on the weather channel and the weather channel president said that the negotiations began several months ago for developing a show and rebrand the network that will include a new look and new morning show that sam will be at the top of. sam was apparently their dream choic